* Data files prepared by Ingrid Kreuzmair from the Statistical Office in Munich; these files are not publicly available (only upon request).
	> migration_precincts.xlsx : contains migration counts within and across precinct boundaries (w/ boundaries as of 2018)
	> Umrechnung_Wahlen_2013-2020_auf_LTW2018.xlsx : contains conversion keys for converting precinct-level turnout to the 2018 delineation
